Answer:
10.12%
Step-by-step explanation:
Wacc = (D / V)rd (1 - t) + (E / V) re
(D/V) = 0.3
Rd = before tax cost of debt = 5.5%
T = tax rate = 30%
(E / V) = 0.7
Re = marginal cost of equity = 12.8%
= (0.3 x 5.5% × 0.7) + (0.7 x 12.8%) = 1.155% + 8.96% = 10.12%
I hope my answer helps you